CVE-2022-25074
Published: 24 February 2022
Summary
CVE-2022-25074 is a critical-severity Out-of-bounds Write (CWE-787) vulnerability in Tp-Link Tl-Wr902Ac Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 9.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
CVE-2022-25074 is a stack-based buffer overflow (CWE-787) in the DM_Fillobjbystr function of the TP-Link TL-WR902AC (US) V3 firmware version 191209. The flaw resides in the router's web management interface and permits out-of-bounds writes when specially crafted input is processed.
An unauthenticated remote attacker can send a malicious HTTP request over the network to trigger the overflow, resulting in arbitrary code execution with full control of the device. The vulnerability carries a CVSS 3.1 score of 9.8, reflecting that no authentication, user interaction, or special network positioning is required.
Public proof-of-concept code demonstrating the issue has been published on GitHub, yet the EPSS score has remained flat at 0.0538 with no material increase since disclosure. No vendor advisory or firmware patch information is referenced in the available sources.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-29818
Vulnerability details
TP-Link TL-WR902AC(US)_V3_191209 routers were discovered to contain a stack overflow in the function DM_ Fillobjbystr(). This vulnerability allows unauthenticated attackers to execute arbitrary code.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.